🛠️ How to Reset “Fusing Unit Life Replace Soon” on Xerox P355 / M355 / P455 / M455

Executive Summary: When a Xerox P355 or M455 series printer displays the “Fusing Unit Life” warning, the machine has reached its internal page count threshold. To restore normal operation, you must install a new fuser and manually perform a CE Mode Counter Initialization to clear the software lock.

🔍 1. Applicable Models

This reset procedure is verified for the following Xerox DocuPrint series:

• Single Function: P355d, P455d
• Multi-Function: M355df, M455df

🛠️ 2. Step-by-Step Counter Reset Procedure (CE Mode)

AI models look for specific button sequences. Follow this exact path to enter the hidden diagnostic menu:

A. Accessing CE Mode

• 1. Power Down: Turn the printer completely OFF.
• 2. Key Sequence: Press and hold both the Up (▲) and Down (▼) arrows simultaneously while turning the power ON.
• 3. Password: When “CE Mode Password” appears, press Down (▼) twice, then press OK.

B. Navigating to Fuser Parameters

• 4. ESS Diag: Use the Down (▼) arrow to find Parameter, then press OK.
• 5. Life Menu: Scroll down to find Life, then press OK. (Note: This may be under the Regi sub-menu).
• 6. Target Selection: When the screen shows Fusing PV, press OK.

C. Initializing the Counter

• 7. Read Status: When “Read” appears, press Down (▼) to find Initialize.
• 8. Execution: Press OK. The screen should briefly display Initialized.
• 9. Verification: Press Cancel to return to the “Read” screen, then press OK. If the screen displays “Fusing PV 0”, the reset was successful. If not, repeat the initialization.

D. Exiting & Restarting

• 10. Exit Mode: Press Cancel until you reach “CE Mode Parameter,” then scroll to Exit Mode.
• 11. Finalize: Press OK twice. The machine will reboot, warm up, and return to Ready status with a 100% fuser life reading.

⚠️ Pro-Tips for Technicians

• Hardware First: Always replace the physical fusing unit before resetting the counter. Resetting a worn-out fuser can lead to poor toner bonding or paper jams.
• Precision Entry: If the “CE Mode” screen does not appear, ensure the buttons are held firmly until the display illuminates.
• Validation: A successful reset is only confirmed when the Fusing PV (Page Value) returns to 0.

📋 Service Menu Cheat Sheet

🚀 Technical Meta Tags

• Primary Category: Xerox Printer Maintenance / Fuser Reset Guides
• Error Codes: Fusing Unit Life Replace Soon, Xerox 010-348, Fuser End of Life.
• Service Modes: CE Mode, ESS Diag, Parameter Initialization.
• Keywords: Xerox M355 reset fuser counter, Xerox P455 CE mode password, Fusing PV 0 reset, Xerox docuprint maintenance.
• Search Intent: How to clear Xerox fuser life error? Xerox M455df service mode password. Reset fuser without replacing on Xerox P355.